4.17-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
[ Upstream commit cb257783c2927b73614b20f915a91ff78aa6f3e8 ]
Fixes: f599c64fdf7d ("xen-netfront: Fix race between device setup and open")
Reported-by: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/xen-netfront.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1810,7 +1810,7 @@ static int talk_to_netback(struct xenbus
err = xen_net_read_mac(dev, info->netdev->dev_addr);
if (err) {
xenbus_dev_fatal(dev, err, "parsing %s/mac", dev->nodename);
- goto out;
+ goto out_unlocked;
}
rtnl_lock();
@@ -1925,6 +1925,7 @@ abort_transaction_no_dev_fatal:
xennet_destroy_queues(info);
out:
rtnl_unlock();
+out_unlocked:
device_unregister(&dev->dev);
return err;
}
